private void AddNDVISetting(NDVISettingItem item)
{
RadTreeNode node = new RadTreeNode(item.Name);
node.Tag = item;
_tree.Nodes.Add(node);
_settingList.Add(item);
}
private void txtAvgMax_Leave(object sender, EventArgs e)
{
float avgMax;
if (float.TryParse(txtAvgMax.Text, out avgMax))
{
if (_tree.SelectedNode != null && _tree.SelectedNode.Tag != null)
{
NDVISettingItem item = _tree.SelectedNode.Tag as NDVISettingItem;
item.MaxValue = avgMax;
}
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
RadTreeNode node = _tree.SelectedNode;
if (node == null)
{
return;
}
NDVISettingItem item = node.Tag as NDVISettingItem;
_settingList.Remove(item);
_tree.Nodes.Remove(node);
}
private void txtMaxLat_Leave(object sender, EventArgs e)
{
double maxLat;
if (double.TryParse(txtMaxLat.Text, out maxLat))
{
if (_tree.SelectedNode != null && _tree.SelectedNode.Tag != null)
{
NDVISettingItem item = _tree.SelectedNode.Tag as NDVISettingItem;
double minLat = item.Envelope.MinY;
double minLon = item.Envelope.MinX;
double maxLon = item.Envelope.MaxX;
item.Envelope = new RSS.Core.DF.CoordEnvelope(minLon, maxLon, minLat, maxLat);
}
}
}
private void btnAddRegion_Click(object sender, EventArgs e)
{
errorProvider1.Clear();
string name = txtName.Text;
double minx = txtMinLon.Value;
double maxx = txtMaxLon.Value;
double miny = txtMinLat.Value;
double maxy = txtMaxLat.Value;
RSS.Core.DF.CoordEnvelope env = new RSS.Core.DF.CoordEnvelope(minx, maxx, miny, maxy);
if (string.IsNullOrWhiteSpace(name))
{
errorProvider1.SetError(txtName, "名字不能为空");
return;
}
if (env == null || env.Width <= 0 || env.Height <= 0 ||
env.MinX < -180 || env.MaxX > 180 ||
env.MinY < -90 || env.MaxY > 90)
{
errorProvider1.SetError(panel2, "范围不合法");
return;
}
if (ContainItem(name))
{
errorProvider1.SetError(txtName, "已经含有该名字的范围定义");
return;
}
float minValue;
if (float.TryParse(txtAvgMin.Text, out minValue))
{
errorProvider1.SetError(txtAvgMin, "未指定最小端元值");
}
float maxValue;
if (float.TryParse(txtAvgMax.Text, out maxValue))
{
errorProvider1.SetError(txtAvgMin, "未指定最大端元值");
}
NDVISettingItem item = new NDVISettingItem();
item.Envelope = env;
item.Name = name;
item.MinValue = minValue;
item.MaxValue = maxValue;
AddNDVISetting(item);
}
private void ParseDefaultValue(XElement valueElement)
{
if (_settingItemList != null)
{
_settingItemList.Clear();
}
IEnumerable <XElement> items = valueElement.Elements("ValueItem");
if (items == null || items.Count() < 1)
{
return;
}
XElement ele;
for (int i = 0; i < items.Count(); i++)
{
ele = items.ElementAt(i);
if (ele == null)
{
continue;
}
NDVISettingItem item = new NDVISettingItem();
item.Name = ele.Attribute("name").Value;
float value;
if (float.TryParse(ele.Attribute("minvalue").Value, out value))
{
item.MinValue = value;
}
if (float.TryParse(ele.Attribute("maxvalue").Value, out value))
{
item.MaxValue = value;
}
bool isUse;
if (bool.TryParse(ele.Attribute("isuse").Value, out isUse))
{
item.IsUse = isUse;
}
string envelope = ele.Attribute("envelope").Value;
item.Envelope = ParseEnvelope(envelope);
_settingItemList.Add(item);
}
}
void _tree_SelectedNodeChanged(object sender, RadTreeViewEventArgs e)
{
if (_tree.SelectedNode != null)
{
if (_tree.SelectedNode.Tag != null)
{
NDVISettingItem item = _tree.SelectedNode.Tag as NDVISettingItem;
if (item != null)
{
txtName.Text = item.Name;
txtAvgMax.Text = item.MaxValue.ToString();
txtAvgMin.Text = item.MinValue.ToString();
txtMinLon.Text = item.Envelope.MinX.ToString();
txtMaxLon.Text = item.Envelope.MaxX.ToString();
txtMinLat.Text = item.Envelope.MinY.ToString();
txtMaxLat.Text = item.Envelope.MaxY.ToString();
}
}
}
}
public object ParseArgumentValue(System.Xml.Linq.XElement ele)
{
//<DefaultValue>
// <ValueItem name="太湖" envelope="" minvalue="" maxvalue="" isuse="false"/>
// <ValueItem name="巢湖" envelope="" minvalue="" maxvalue="" isuse="false"/>
// <ValueItem name="滇池" envelope="" minvalue="" maxvalue="" isuse="false"/>
//</DefaultValue>
IEnumerable <XElement> nodes = ele.Elements("ValueItem");
List <NDVISettingItem> settings = new List <NDVISettingItem>();
if (nodes != null && nodes.Count() != 0)
{
foreach (XElement item in nodes)
{
bool isUse;
float minvalue, maxvalue;
if (bool.TryParse(item.Attribute("isuse").Value, out isUse))
{
if (!isUse)
{
return(null);
}
else
{
NDVISettingItem settingItem = new NDVISettingItem();
settingItem.IsUse = true;
settingItem.Name = item.Attribute("name").Value;
if (float.TryParse(item.Attribute("minvalue").Value, out minvalue) &&
float.TryParse(item.Attribute("maxvalue").Value, out maxvalue))
{
settingItem.MaxValue = minvalue;
settingItem.MinValue = maxvalue;
//解析envelope
string envelopeStr = item.Attribute("envelope").Value;
string[] strArray = envelopeStr.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
if (strArray == null || strArray.Length != 4)
{
continue;
}
CoordEnvelope envelope = new CoordEnvelope(double.Parse(strArray[0]), double.Parse(strArray[1]),
double.Parse(strArray[2]), double.Parse(strArray[3]));
settingItem.Envelope = envelope;
settings.Add(settingItem);
}
else
{
continue;
}
}
}
}
if (settings != null && settings.Count > 0)
{
_settingItems = settings.ToArray();
}
if (_handler != null)
{
_handler(GetArgumentValue());
}
}
return(null);
}
